Old ways of Communicating
Before the Internet there where many differnet ways the people tired to communicate. Here are some examples of some of the many ways.
|Drums/Smoke signals||Each beat of the drum/smoke signal would correspond to a different letter in the alphabet so the person reviewing the signal will have to decode the message||3000 BC|
|Optical (semaphore) telegraph||Visual signals where set using towers with pivoting shutters which can be read when the shutters are in a fixed position from a long distance away.||1792|
|Electric telegraph||The electric telegraph was used to send bleeps to the receiver at the other end. Morse code was used to code the messages.||1809-1836|
|Transatlantic telegraph cable||The transatlantic telegraph was much like the electric telegraph but on a much larger scale. It used a cable that ran under the sea to send messages to north america to europe.||1870s|
|Radio||Radio was the first wireless way of communicating using electromagnetic signals.||1890s|